Diamond in the center of two triangles
No, diamond in the center with triangles on the left and right side
Funnel on top
D
Funnel on top of a base
In the center is a square balancing on a corner, and then it has triangles on both sides facing left and right
A group of triangles
Take away the up arrow
Take away the bird
Take away the down arrow, take away the square hovering on top of a pyramid

Outcome: unsuccessful
Speaker comments: Got them all eventually, but not enough time left to get rid of the wrong answers